Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface, showing my new design according to a firstembodiment; and,

FIG. 2 is a front view of a display screen or portion thereof withgraphical user interface, showing my new design according to a secondembodiment.

The outer perimeter broken lines in the figures depict a display screenor portion thereof and form no part of the claimed design. The remainingbroken lines in the figures depict portions of the graphical userinterface that form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.